Finding the Fourth Proportional to 11,953.30, 16,502.94 and 7,705.88

Step by Step Solution

1. Step 1: Write the proportion equation
   11,953.30 : 16,502.94 = 7,705.88 : x
2. Step 2: Convert to fraction form
   11,953.30/16,502.94 = 7,705.88/x
3. Step 3: Cross multiply
   11,953.30x = 16,502.94 × 7,705.88
4. Step 4: Simplify right side
   11,953.30x = 127,169,675.29
5. Step 5: Solve for x
   x = 127,169,675.29/11,953.30
6. Step 6: Final answer
   x = 10,638.88